With a __________ attack the attacker is allowed to use the user as an "oracle".This means that the user may request signatures of messages that depend on previously obtained message-signature pairs.
A)adaptive chosen message
B)generic chosen
C)directed chosen message
D)known message

Question

Quizplus · Accepted Answer

In an adaptive chosen message attack, the attacker can use the user as an "oracle" and request signatures of messages dependent on previously obtained message-signature pairs. This allows them to adapt their requests based on the responses they receive, making it a more effective attack than generic or directed chosen message attacks. Known message attacks do not require oracle access and are therefore less powerful.

With a __________ Attack the Attacker Is Allowed to Use